BASEMENT WATCHDOG SI-33V 1/3 HP Submersible Sump Pump

The Basement Watchdog SI series of sump pumps (Models SI-33V, SI-50V) are built to last, featuring an energy-saving, Permanent Split Capacitor (PSC) motor with carbon/ceramic shaft seals and thermal protection to safeguard the motor. The upper and lower ball bearings ensure the pump runs quietly and extend its life.

These sump pumps are constructed from solid cast iron with stainless-steel fasteners, and include a built-in weephole to prevent airlock and facilitate easier installation. They also feature a built-in strainer that can pass ½" solids, allowing the pump to function as both a sump and effluent pump.

The SI sump pumps in this series are engineered for energy-efficient operation, with PSC motors and dual ball bearings that deliver industry-leading energy efficiency and savings, helping to reduce your electric bills and environmental impact.

The Basement Watchdog SI sump pumps (Models SI-33V, SI-50V) feature a professional-grade, built-in vertical switch for years of reliable operation in sump or effluent applications. The ⅓ HP model (SI-33V) moves a substantial 4,000 GPH at a 0' height (3,200 GPH at a 10' height), while the ½ HP model (SI-50V) handles 4,300 GPH at a 0' height (3,600 GPH at a 10' height).

The Basement Watchdog Professional SI series of sump pumps is a versatile and tough solution, with a built-in strainer that can handle up to ½" solids, allowing the pump to serve as both a sump and effluent pump. The integrated, contractor-grade, vertical float switch ensures reliable activation.

For over 30 years, The Basement Watchdog has been protecting homes and is a market leader in dependable, user-friendly pumps. The company uses intelligent design, premium components, and quality manufacturing practices that include thoroughly testing every single unit to ensure the most reliable performance.

The Basement Watchdog SI series of sump pumps (SI-33V and SI-50V) feature a 1/3 HP and 1/2 HP permanent split-capacitor motor respectively, providing energy efficiency and optimal GPH output. The heavy-duty cast iron construction ensures long-lasting durability, while the upper and lower ball bearings contribute to increased efficiency and quiet performance. The carbon ceramic shaft seal protects the motor, and the 10-foot power cord facilitates easy installation.

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